The Waterbox,fresh Wate, cataloged under National Stock Number 4420-00-433-2797, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Waterbox,fresh Wate
FSC / FSG
4420 — Heat Exchangers and Steam Condensers (FSG 44)
Technical Specifications
Parameter
Value
NSN
4420-00-433-2797
Item Name
Waterbox,fresh Wate
FSC / FSG
4420 / 44 — Heat Exchangers and Steam Condensers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
6E12X1512
3/9Design control — primary reference
Itt Corporation Dba Itt Standard
166M1272A4 PIECE 4
C/1Advisory reference — outside the item-of-supply concept
Fluid Handling Llc
6E12X15116
5/9Secondary reference
Itt Corporation Dba Itt Standard
6E12X1511
5/9Secondary reference
Itt Corporation Dba Itt Standard
166M1272A4 PIECE 4
5/9Secondary reference
Itt Corporation Dba Itt Standard
No interchangeability data on file.
Other items in FSC 4420 — Heat Exchangers and Steam Condensers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4420-00-003-2812
CORE ASSEMBLY,FLUID HEATER,INDUS
4420-00-004-1071
4420-00-004-1071 · Item name not on file
4420-00-004-1072
4420-00-004-1072 · Item name not on file
4420-00-004-1073
4420-00-004-1073 · Item name not on file
4420-00-004-1074
4420-00-004-1074 · Item name not on file
4420-00-004-3860
COOLER,FLUID,INDUSTRIAL
4420-00-004-5260
4420-00-004-5260 · Item name not on file
4420-00-005-2335
PURGE ORIFICE ASSEMBLY
Frequently Asked Questions
What is NSN 4420-00-433-2797?
NSN 4420-00-433-2797 is a Waterbox,fresh Wate, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
Is NSN 4420-00-433-2797 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.